public class LeetCode_198 {
    public int rob(int[] nums){
        if (nums == null || nums.length < 1) return 0;
        if (nums.length == 1) return nums[0];
        int[] dp = new int[nums.length];
        dp[0] = nums[0];
        dp[1] = Math.max(dp[0], nums[1]);
        for (int i = 2; i < nums.length; i++){
            dp[i] = Math.max(dp[i-2]+nums[i], dp[i-1]);
        }
        return dp[nums.length-1];
    }
}
